<template>
  <div class="we-input" :class="{'we-input_suffix': showSuffix}">
    <!-- 如果传了show-password，判断是否需要切换 密码的显示，不过不传，不判断 -->
    <input type="text" 
    class="we-input_inner"
    :class="{'is-disabled' : disabled}"
    :placeholder="placeholder"
    :type="showPassword ? (passwordVisible ? 'text': 'password'): type"
    :name="name"
    :disabled="disabled"
    :value="value"
    @input="handleInput"
    >
    <span class="we-input_suffix" v-if="showSuffix">
      <i class="we-icon-qingkong" v-if="clearable && this.value" @click="clear"></i>
      <i class="we-icon-xianshi we-icon-view " v-if="showPassword&& this.value" @click="handlePassword" :class="{'we-icon-view-active': passwordVisible}"></i>
    </span>
  </div>
</template>

<script>
  export default {
    name:'WeInput',
    props:{
      placeholder: {
        type: String,
        default: ""
      },
      type: {
        type: String,
        default: 'text'
      },
      name: {
        type: String,
        default: ''
      },
      disabled: {
        type: Boolean,
        default: false
      },
      value: {
        type: String,
        default: ''
      },
      clearable: {
        type: Boolean,
        default: false
      },
      showPassword: {
        type: Boolean,
        default: false
      }
    },
    data() {
      return {
        //是否显示密码框
        passwordVisible:false
      }
    },
    methods: {
        handleInput(e) {
          this.$emit('input',e.target.value)
        },
        clear() {
          this.$emit('input','')
        },
        handlePassword() {
          this.passwordVisible = !this.passwordVisible
        }
      },
    computed: {
      showSuffix() {
        return this.clearable|| this.showPassword
      }
    }
  }
</script>

<style lang="scss" scoped>
 .we-input{
    width: 100%;
    position: relative;
    font-size: 14px;
    display: inline-block;
    .we-input_inner{
      -webkit-appearance: none;
      background-color: #fff;
      background-image: none;
      border: 1px solid #dcdfe6;
      border-radius: 4px;
      box-sizing: border-box;
      color: #606266;
      display: inline-block;
      font-size: inherit;
      height: 40px;
      line-height: 40px;
      outline: none;
      padding: 0 15px;
      transition: border-color .2s cubic-bezier(.645,045,.355,1);
      width: 100%;
      &:focus{
        outline: none;
        border-color: #409eff;
      }
      // input禁用样式
      &.is-disabled{
        background-color: #f5f7fa;
        border-color: #e4e7ed;
        color: #c0c4cc;
        cursor:not-allowed;
      }
    }
  }
  // 后面加suffix的意思是后面如果有后缀的话，触发该样式
  .we-input_suffix{
    .we-input_inner{
      padding-right: 30px;
    }
    .we-input_suffix{
      position: absolute;
      right: 10px;
      height: 100%;
      top: 0;
      line-height: 40px;
      text-align: center;
      color: #c0c4cc;
      transition: all .3s;
      z-index: 900;
      i{
        color: #c0c4cc;
        font-size: 14px;
        cursor: pointer;
        transition: color .2s cubic-bezier(.645,.045,.355,1);
      }
      .we-icon-view-active {
        color: #409eff;
      }
    }
  }
</style>